Home / 2,372.56-3,272.77-1,377.71

Finding the Fourth Proportional to 2,372.56, 3,272.77 and 1,377.71

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Solution

The fourth proportional to 2,372.56, 3,272.77 and 1,377.71 is: 1,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.56 : 3,272.77 = 1,377.71 : x
  2. Step 2: Convert to fraction form
    2,372.56/3,272.77 = 1,377.71/x
  3. Step 3: Cross multiply
    2,372.56x = 3,272.77 × 1,377.71
  4. Step 4: Simplify right side
    2,372.56x = 4,508,927.96
  5. Step 5: Solve for x
    x = 4,508,927.96/2,372.56
  6. Step 6: Final answer
    x = 1,900.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.